EP3843620A4 - SELF-CALIBRATED, CUFFLESS, NON-INVASIVE BLOOD PRESSURE MONITOR - Google Patents

SELF-CALIBRATED, CUFFLESS, NON-INVASIVE BLOOD PRESSURE MONITOR Download PDF

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Publication number
EP3843620A4
EP3843620A4 EP19863547.6A EP19863547A EP3843620A4 EP 3843620 A4 EP3843620 A4 EP 3843620A4 EP 19863547 A EP19863547 A EP 19863547A EP 3843620 A4 EP3843620 A4 EP 3843620A4
Authority
EP
European Patent Office
Prior art keywords
cuffless
calibrated
self
blood pressure
pressure monitor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19863547.6A
Other languages
German (de)
French (fr)
Other versions
EP3843620A1 (en
Inventor
David Colburn
Samuel K. Sia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Columbia University in the City of New York
Original Assignee
Columbia University in the City of New York
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Columbia University in the City of New York filed Critical Columbia University in the City of New York
Publication of EP3843620A1 publication Critical patent/EP3843620A1/en
Publication of EP3843620A4 publication Critical patent/EP3843620A4/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02416—Measuring pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/0245—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0242—Operational features adapted to measure environmental factors, e.g. temperature, pollution
    • A61B2560/0247—Operational features adapted to measure environmental factors, e.g. temperature, pollution for compensation or correction of the measured physiological value
    • A61B2560/0261—Operational features adapted to measure environmental factors, e.g. temperature, pollution for compensation or correction of the measured physiological value using hydrostatic pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0223—Magnetic field sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/06—Arrangements of multiple sensors of different types
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1107—Measuring contraction of parts of the body, e.g. organ or muscle

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Vascular Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Evolutionary Computation (AREA)
  • Mathematical Physics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Fuzzy Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • High Energy & Nuclear Physics (AREA)
EP19863547.6A 2018-09-21 2019-09-17 SELF-CALIBRATED, CUFFLESS, NON-INVASIVE BLOOD PRESSURE MONITOR Pending EP3843620A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862734573P 2018-09-21 2018-09-21
US201862779690P 2018-12-14 2018-12-14
US201962840969P 2019-04-30 2019-04-30
PCT/US2019/051431 WO2020060988A1 (en) 2018-09-21 2019-09-17 Self-calibrating, cuffless, and non-invasive blood pressure monitor

Publications (2)

Publication Number Publication Date
EP3843620A1 EP3843620A1 (en) 2021-07-07
EP3843620A4 true EP3843620A4 (en) 2022-06-01

Family

ID=69887927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19863547.6A Pending EP3843620A4 (en) 2018-09-21 2019-09-17 SELF-CALIBRATED, CUFFLESS, NON-INVASIVE BLOOD PRESSURE MONITOR

Country Status (3)

Country Link
US (1) US20210219852A1 (en)
EP (1) EP3843620A4 (en)
WO (1) WO2020060988A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021045375A (en) * 2019-09-19 2021-03-25 株式会社日立製作所 Biological information detection device and biological information detection method
US11839450B2 (en) 2020-09-23 2023-12-12 Apple Inc. Pressure sensor module for wearable applanation tonometer
US11397120B2 (en) 2020-09-23 2022-07-26 Apple Inc. Interface pressure sensor system for electronic device
US11839451B2 (en) * 2020-09-23 2023-12-12 Apple Inc. Sensing structure for pulse-wave velocity measurement
US12517974B2 (en) 2021-06-29 2026-01-06 Analog Devices International Unlimited Company Method and device for translating between stochastic signals
KR102931301B1 (en) * 2022-10-24 2026-02-27 한국전자통신연구원 Cuffless blood pressure estimating device using hydrostatic pressure difference and operating method thereof
WO2025227048A1 (en) * 2024-04-26 2025-10-30 Becton, Dickinson And Company Systems and methods for hemodynamic monitoring using a computational surrogate for heart position
KR20250171088A (en) * 2024-05-29 2025-12-08 주식회사 스카이랩스 Blood pressure estimation device with Pseudo calibration and Method for estimating blood pressure using Psuedo calibration

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170209053A1 (en) * 2016-01-25 2017-07-27 Fitbit, Inc. Calibration of pulse-transit-time to blood pressure model using multiple physiological sensors and various methods for blood pressure variation
US20170238817A1 (en) * 2016-02-18 2017-08-24 Qualcomm Incorporated Blood pressure estimation based on pulse wave velocity
US20170319146A1 (en) * 2016-05-03 2017-11-09 Samsung Electronics Co., Ltd. Apparatus and method for extracting cardiovascular characteristic

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US12156743B2 (en) * 2009-09-15 2024-12-03 Sotera Wireless, Inc. Body-worn vital sign monitor
US9599632B2 (en) * 2012-06-22 2017-03-21 Fitbit, Inc. Fitness monitoring device with altimeter
US20140323846A1 (en) * 2013-04-24 2014-10-30 Covidien Lp System and method for determining hemodynamic status through a blood pressure related index
US10206612B2 (en) * 2014-01-13 2019-02-19 The Board Of Regents, The University Of Texas System Methods and systems for extracting venous pulsation and respiratory information from photoplethysmographs
US20150327786A1 (en) * 2014-05-19 2015-11-19 Qualcomm Incorporated Method of Calibrating a Blood Pressure Measurement Device
WO2016040253A1 (en) * 2014-09-08 2016-03-17 Braintree Analytics Llc Blood pressure monitoring using a multi-function wrist-worn device
CN204515353U (en) * 2015-03-31 2015-07-29 深圳市长桑技术有限公司 A kind of intelligent watch
US10973422B2 (en) * 2016-01-22 2021-04-13 Fitbit, Inc. Photoplethysmography-based pulse wave analysis using a wearable device
WO2017136772A1 (en) * 2016-02-03 2017-08-10 Angilytics Inc. Non-invasive and non-occlusive blood pressure monitoring devices and methods
US11179049B2 (en) * 2016-02-29 2021-11-23 Fitbit, Inc. Intelligent inflatable cuff for arm-based blood pressure measurement
US10524672B2 (en) * 2016-06-21 2020-01-07 Capsule Technologies, Inc. Diastolic blood pressure measurement calibration
US10835132B2 (en) * 2017-03-17 2020-11-17 Atcor Medical Pty Ltd Central aortic blood pressure and waveform calibration method
US20190059752A1 (en) * 2017-08-28 2019-02-28 Planexta, Inc. Method and apparatus for cuff less blood pressure monitoring based on simultaneously measured ECG and PPG signals designed in wristband form for continuous wearing
US11045094B2 (en) * 2018-07-24 2021-06-29 Baxter International Inc. Patch-based physiological sensor
US10842392B2 (en) * 2018-07-24 2020-11-24 Baxter International Inc. Patch-based physiological sensor
WO2020031105A2 (en) * 2018-08-07 2020-02-13 Goldtech Sino Ltd Noninvasive systems and methods for continuous hemodynamic monitoring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170209053A1 (en) * 2016-01-25 2017-07-27 Fitbit, Inc. Calibration of pulse-transit-time to blood pressure model using multiple physiological sensors and various methods for blood pressure variation
US20170238817A1 (en) * 2016-02-18 2017-08-24 Qualcomm Incorporated Blood pressure estimation based on pulse wave velocity
US20170319146A1 (en) * 2016-05-03 2017-11-09 Samsung Electronics Co., Ltd. Apparatus and method for extracting cardiovascular characteristic

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020060988A1 *

Also Published As

Publication number Publication date
US20210219852A1 (en) 2021-07-22
EP3843620A1 (en) 2021-07-07
WO2020060988A1 (en) 2020-03-26

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